/**
 * Copyright 2009 the original author or authors.
 *
 * <p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.javacrumbs.shedlock.core;

import java.util.Optional;

/** Provides lock implementation. */
public interface LockProvider {

    /**
     * Attempts to acquire a lock for the given configuration.
     *
     * @return If empty optional has been returned, lock could not be acquired. The
     *         lock has to be released by the callee.
     */
    Optional<SimpleLock> lock(LockConfiguration lockConfiguration);
}
